Re: capacitance

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 


I don't know the percentage of error but we've used it to make some caps and
it is very close.  This is a "derived equation" from the basic physics
equation.  It ends the inches to meters metric conversion.

This is published in the ARRL Radio Amateur's Handbook so it has good
accuracy.

Dr. Resonance

 >
 > Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com>
 >
 >
 >
 > The easiest parallel plate cap equation to use (all dimensions in inches)
 > is:
 >
 > Cpf = 0.224 * (KA/d) * n-1
 >
 > K = dielectric constant of insulation
 >
 > A = area of one plate in square inches
 >
 > d = thickness of dielectric in inches
 >
 > n = total number of metal plates
 >
 > Dr. Resonance
 >
 > Resonance Research Corporation
 > E11870 Shadylane Rd.
 > Baraboo   WI   53913
 >   >   >
 >   >   > Hi guys I was wondering if any of you know a formula for
calculating
 >   >   > capacitance that is really accurate if you could help I would be
 > greatful
 >
 >
 >